Synonyms: 13,14-Methano-15H-cyclopenta[a]phenanthrene,14,18-cyclocholane deriv.; 13,14-Methano-15H-cyclopenta[a]phenanthrene,tetradecahydro-10-methyl-17-(1-methylbutyl)-, [8R-[8a,9b,10a,13a,14a,17a(R*)]]-; [8R-[8a,9b,10a,13a,14a,17a(R*)]]-Tetradecahydro-10-methyl-17-(1-methylbutyl)-13,14-methano-15H-cyclopenta[a]phenanthrene